Arsenum
[医] 砷(22号元素)
🗣️ 情景例句
Never chew with your mouth open.
嚼东西时别张着嘴。
Generally speaking, it's cheaper but slower to ship goods by sea than by rail.
总的来说，海运比铁路运输更便宜，但速度慢一些。
There is always hope that in its labyrinth of musty, dark, disordered rooms a real rarity will be found amongst the piles of assorted junk that little the floors.
人们还常常有希望在发霉、阴暗、杂乱无章、迷宫般的店堂里，从杂乱地摆放在地面上的、一堆堆各式各样的破烂货里找到一件稀世珍品。